/Engine/Source/Editor/PropertyEditor/Public/PropertyEditorClipboard.h
Append the given values to the current clipboard entry. If none exists, it will create it.
static void ClipboardAppend ( [TUniqueFunction](API\Runtime\Core\Templates\TUniqueFunction)< void([TMap](API\Runtime\Core\Containers\TMap)< [FName](API\Runtime\Core\UObject\FName), [FString](API\Runtime\Core\Containers\FString) > &)> && TagMappingFunc )